Knee brace



FIG. 1 is a front and top perspective view of a knee brace, showing my new design;

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of a portion indicated in FIG. 1.

The dash dot dash lines in FIGS. 1 and 9 are for the purpose of depicting the cut line of the enlarged view and form no part of the claim. 

CLAIM The ornamental design for a knee brace, as shown and described. 